Railroad-switch



(No Model.) 2 Sheets-Sheet 1.

Mc'CALL. RAILROAD SWITGH. No. 289,677. v Patented-Dec. 4,1883.

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G. McGALL.

RAILROAD SWITCH. I No. 289,677, Patented Dec. 4, 1883.

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EJNITED STATES PATENT DFFICE.

GEORGE MOCALL, OF PHILADELPHIA, PENNSYLVANIA.

RAILROAD-SWITCH.

SPECIFICATION forming part of Letters Patent No. 289,677, dated December4, 1883.

' Application filed June 5,1883. (No model.) J

To all whom it may concern..-

Be it known that I, GEORGE MOCALL, a citizen of the United States, and aresident of the city and county of Philadelphia, and State ofPennsylvania, have invented a new and useful Improvement inRailroad-Switches, of which the following is a specification.

The object of my invention is to furnish a switch combining theadvantages of the stub and needle switches, and free from thedisadvantages to which both are subject.

Inthe accompanying drawings,forming part of this specification, and inwhich similar letters of reference indicate like parts throughout theseveral views, Figure 1 represents a plan View of my invention, theswitch being set for the main line; Fig. 2, a plan view, the switchbeing set for the siding; Fig. 3, a top view of the plate A, upon whichthe stub slides; Fig. 4, a side elevation of the same. Fig. 5 representsa sectional view of the plate or switch-chair A on the line a: m, Fig.2, the switch being set for the siding; and Fig. 6, a perspective viewof the stub, showing the elevation of the siding-rail.

B is a tongue or grooved rail pivoted in a suitable manner at O. Thisrail has flaring ends, as shown, so as to insure the catching of theflanges of the wheels when the switch is set for the siding.

D is a movable rail, and forms part of the main track, and is connectedwith the tongue or grooved rail by spiders a, which are similar to thoseused in ordinary switches.

F is the siding-rail, and it extends for some distance beyond thestub-joint in the main line. This rail is slightly higher at and forsome distance upon each side of the stub-joint than the main-line rail.This elevation is shown in Fig. 6, the drawing being distorted, inactual practice the siding-rail being only sufficiently elevated toraise the wheel clear of the main track to protect the stub-say0ne-quarter of an inch.

G is a guard-rail, similar in construction to the guardrails used innearly all switches, and whose purpose and operation is obvious.

In Figs. 3, 4, and 5 the plate or switchchair A is represented as havingprojections e and f, for holding the siding-rail F and the main-linerail in place, and also with a projection, against which the stub-rail Dbears when the switch'is set for the siding. This plate may be eitherwith or without these projections, and may be of any of the forms of 55switch-chairs generally in use.

When the switch is set for the main line, as shown in Fig. 1, it will beseen that the car or cars will pass over without the least jar orscraping. WVhen the switch is set for the siding, as shown in Fig. 2,the flanges of the wheels on the left of the car will be caught by thepoint of the grooved rail B, and the wheels on the right of the car,having been forced over by the guardrail G, will bear upon both themain-line rail and the siding-rail F, the slight elevation in the latterbeing near or equal to the difference in diameter between the outsideand inside of the tread of the wheel. The elevation in this siding-railis simply for the purpose of protecting the stub-joint, and not toelevate the cars to pass them from one set of rails to another, as isthe case in one or more well-known switches.

My switch is furnished with springs H H, whose purpose is to allow atrain which may be approaching the switch from the rear to force theswitch over, and so pass through in safety. The arrangement of thesesprings is well known, and will need no further description.

Having thus described my invention, 1 clai m 1. The combination, inaswitch, of the stub D, placed between the point and the sidingrail,grooved rail B, guard-rail G, and sidingrail F, all substantially as andfor the purposes set forth.

2. The combination, in a switch, of the grooved rail B, stub D, elevatedsiding-rail F, and guard-rail G, the whole arranged and operatingsubstantially as'and for the purposes setforth.

GEO. MOOALL.

Witnesses:

VICTOR BALSIS, LoUIs KUEBLER.

